Car Stereo System - Car Radio Digital Signal Processor User Manual

www.ti.com
7.6.7 Reset Controller Register
7.6.7.1 Reset Type Status Register Description
SM320C6455-EP
FIXED-POINT DIGITAL SIGNAL PROCESSOR
SPRS462B – SEPTEMBER 2007 – REVISED JANUARY 2008
The reset type status (RSTYPE) register (029A 00E4) is the only register for the reset controller. This
register falls in the same memory range as the PLL1 controller registers [029A 0000 - 029A 01FF] (see
Table 7-18 ).
The rest type status (RSTYPE) register latches the cause of the last reset. If multiple reset sources occur
simultaneously, this register latches the highest priority reset source. The reset type status register is
shown in Figure 7-7 and described in Table 7-13 .
31 16
Reserved
R-0
15 4 3 2 1 0
Reserved SRST MRST WRST POR
R-0 R-0 R-0 R-0 R-0
LEGEND: R/W = Read/Write; R = Read only; - n = value after reset
Figure 7-7. Reset Type Status Register (RSTYPE) [Hex Address: 029A 00E4]
Table 7-13. Reset Type Status Register (RSTYPE) Field Descriptions
Bit Field Value Description
31:4 Reserved Reserved. The reserved bit location is always read as 0. A value written to this field has no effect.
3 SRST System reset.
0 System Reset was not the last reset to occur.
1 System Reset was the last reset to occur.
2 MRST Max reset.
0 Max Reset was not the last reset to occur.
1 Max Reset was the last reset to occur.
1 WRST Warm reset.
0 Warm Reset was not the last reset to occur.
1 Warm Reset was the last reset to occur.
0 POR Power-on reset.
0 Power-on Reset was not the last reset to occur.
1 Power-on Reset was the last reset to occur.
C64x+ Peripheral Information and Electrical Specifications132 Submit Documentation Feedback